Anne Hathaway leads early trader sentiment for the 2027 Best Supporting Actress race on the strength of her anticipated turn in The Odyssey, a high-profile Universal project generating significant industry attention. Penélope Cruz follows at lower implied probability thanks to buzz around The Invite and related roles, while Sandra Hüller, Betty Gilpin, and Zendaya sit further back amid a broad field of possibilities. With nominations still more than a year away, the market reflects uncertainty over release timing, category placement decisions, and eventual critical reception rather than locked-in frontrunner status. Guild precursors and festival reactions expected in late 2026 will likely sharpen the picture, but historical patterns show supporting categories often shift dramatically once films screen.